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5049 Aluminum vs. C70620 Copper-nickel

5049 aluminum belongs to the aluminum alloys classification, while C70620 copper-nickel belongs to the copper alloys. There are 22 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is 5049 aluminum and the bottom bar is C70620 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
120
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
46
Tensile Strength: Ultimate (UTS), MPa 210 to 330
300 to 570

Thermal Properties

Latent Heat of Fusion, J/g 400
220
Maximum Temperature: Mechanical, °C 190
220
Melting Completion (Liquidus), °C 650
1120
Melting Onset (Solidus), °C 620
1060
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 140
49
Thermal Expansion, µm/m-K 24
17

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
33
Density, g/cm3 2.7
8.9
Embodied Carbon, kg CO2/kg material 8.5
3.4
Embodied Energy, MJ/kg 150
51
Embodied Water, L/kg 1180
300

Common Calculations

Stiffness to Weight: Axial, points 14
7.7
Stiffness to Weight: Bending, points 50
19
Strength to Weight: Axial, points 22 to 34
9.3 to 18
Strength to Weight: Bending, points 29 to 39
11 to 17
Thermal Diffusivity, mm2/s 56
14
Thermal Shock Resistance, points 9.3 to 15
10 to 20

Alloy Composition

Aluminum (Al), % 94.7 to 97.9
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.1
86.5 to 90
Iron (Fe), % 0 to 0.5
1.0 to 1.8
Lead (Pb), % 0
0 to 0.020
Magnesium (Mg), % 1.6 to 2.5
0
Manganese (Mn), % 0.5 to 1.1
0 to 1.0
Nickel (Ni), % 0
9.0 to 11
Phosphorus (P), % 0
0 to 0.2
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.2
0 to 0.5
Residuals, % 0
0 to 0.5